Remove test failures introduced in SimRel 2018-09 and 2018-12

[odockal]

Those permanently failing tests.

• org.eclipse.reddeer.eclipse.test.debug.core.DebuggerTest.debugWithBothBreakpointsTest no-configuration
• org.eclipse.reddeer.eclipse.test.datatools.ui.ResultViewTest.testSQLResultViewSuccess no-configuration
• org.eclipse.reddeer.graphiti.test.LabeledGraphitiEditPartTest.contextButtonTest no-configuration
• org.eclipse.reddeer.graphiti.test.LabeledGraphitiEditPartTest.doubleClickTest no-configuration
• org.eclipse.reddeer.swt.test.impl.browser.BrowserTest.navigate no-configuration
• org.eclipse.reddeer.swt.test.impl.text.LabeledTextTest.typeTextTest no-configuration
• org.eclipse.reddeer.swt.test.keyboard.KeyboardTest.typingTest no-configuration
• org.eclipse.reddeer.swt.test.keyboard.KeyboardTest.cutPasteTest no-configuration
• org.eclipse.reddeer.swt.test.keyboard.KeyboardTest.typingWithShiftTest no-configuration
• org.eclipse.reddeer.swt.test.keyboard.KeyboardTest.selectionTest no-configuration
• org.eclipse.reddeer.swt.test.keyboard.KeyboardTest.keyCombinationTest no-configuration
• org.eclipse.reddeer.swt.test.keyboard.KeyboardTest.copyPasteTest no-configuration
• org.eclipse.reddeer.workbench.test.editor.CustomContentAssistTest.testCustomContentAssist no-configuration
• org.eclipse.reddeer.workbench.test.editor.TextEditorTest no-configuration.org.eclipse.reddeer.workbench.test.editor.TextEditorTest no-configuration

[odockal]

Could be connected to GTK2 support drop in 4.9:
https://dev.eclipse.org/mhonarc/lists/cross-project-issues-dev/msg15783.html

[odockal]

Keyboard test failures probably caused by: https://bugs.eclipse.org/bugs/show_bug.cgi?id=537025.
Seems like linux only issue.